Pith Number

pith:KFFDFQQ4

pith:2012:KFFDFQQ4QAVETQF6JPFTUDSLG5

not attested not anchored not stored refs pending

On the Control of Non Holonomic Systems by Active Constraints

Alberto Bressan, Franco Rampazzo, Ke Han

arxiv:1208.4335 v1 · 2012-08-21 · math.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KFFDFQQ4QAVETQF6JPFTUDSLG5}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:48:23.870082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

514a32c21c802a49c0be4bcb3a0e4b37518f0a1b69f03ce4591a96470720300a

Aliases

arxiv: 1208.4335 · arxiv_version: 1208.4335v1 · doi: 10.48550/arxiv.1208.4335 · pith_short_12: KFFDFQQ4QAVE · pith_short_16: KFFDFQQ4QAVETQF6 · pith_short_8: KFFDFQQ4

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/KFFDFQQ4QAVETQF6JPFTUDSLG5 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 514a32c21c802a49c0be4bcb3a0e4b37518f0a1b69f03ce4591a96470720300a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6494601e4319333bbecdc11a032c560452a0ef97cd93fa0b565955fc9d22cad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-08-21T18:32:47Z",
    "title_canon_sha256": "029fe6ddb42213c4b39aba91b386fe3cccbc165f06dd9e8f41a8eb17b1bbcf36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4335",
    "kind": "arxiv",
    "version": 1
  }
}